C3132121111133313233121111331333133313331333133313331333133313233211113323221   >>    C313212111113331323312111133133313331333133313331333133313331323321111332322   <<    C3132121111133313233121111331333133313331333133313331333133313233211113323223   >>      C3132121111133313233121111331333133313331333133313331333133313233211113323222   >>